CN218857697U

CN218857697U - 3D prints shower nozzle air duct device

Info

Publication number: CN218857697U
Application number: CN202222686338.XU
Authority: CN
Inventors: 高志华; 卜兵建; 马百敬; 吕敬; 佘超卫; 梁艳玲
Original assignee: Henan Viking Electronic Technology Co ltd
Current assignee: Henan Viking Electronic Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-04-14
Anticipated expiration: 2032-10-12

Abstract

The utility model relates to the technical field of 3D printing, in particular to a 3D printing nozzle air channel device, which comprises a nozzle assembly, a heat dissipation device, an air channel device, a turbofan device, a fixed seat and a fan seat, wherein the nozzle assembly comprises a nozzle body; the air duct device is arranged on one side of the spray head assembly, the air duct device is wide at the top and narrow at the bottom, and an air outlet of the air duct device is arranged below the spray head body; and the air inlet of the air duct device is connected with the air outlet of the turbofan device. The utility model discloses wind channel device wind-force is concentrated accurate and is aimed at the model layer after printing, and the radiating effect is good, prints efficiently.

Description

3D prints shower nozzle air duct device

Technical Field

The utility model relates to a 3D prints technical field, concretely relates to 3D prints shower nozzle air duct device.

Background

3D printing is a technique for building objects by layer-by-layer printing using powdered bondable materials based on digital model files. With the development of society and the continuous progress of human science and technology level, various technical achievements are continuously applied to life and production, wherein the 3D printing device is more and more popular in life.

When the 3D printer is carrying out the print operation, need pile up layer upon layer on print platform behind the heating melting of consumptive material through printing the shower nozzle, because the temperature that flow state consumptive material itself has is higher, the cooling is slower, greatly reduced printing speed. Most of the existing 3D printers adopt fans for heat dissipation, however, because the air openings of the fans are large, the fans cannot concentrate wind force to accurately align to a model layer printed by a nozzle, and the cooling speed is slow; and the temperature of the spray head is inevitably reduced through the heat dissipation of the fan, so that the temperature of the spray head is easy to be unstable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a 3D prints shower nozzle air duct device, this air duct device wind-force is concentrated, and the radiating effect is good, prints efficiently.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

A3D printing nozzle air duct device comprises a nozzle assembly, a heat dissipation device, an air duct device, a turbofan device, a fixed seat and a fan seat, wherein the nozzle assembly comprises a nozzle body; the air duct device is arranged on one side of the spray head assembly, the air duct device is wide at the top and narrow at the bottom, and an air outlet of the air duct device is arranged below the spray head body; and the air inlet of the air duct device is connected with the air outlet of the turbofan device. The wind of the turbofan device passes through the air duct device, is precisely aligned to the printed model layer after coming out of the air outlet of the air duct device, and is concentrated in wind force and directly aligned to the model layer to blow, so that the heat dissipation effect is better; and the wind of air outlet can not blow the shower nozzle body, and shower nozzle body temperature teaches stably makes the print quality better.

As an optimized technical scheme of the utility model, the ducting device is the ox horn shape setting. The air duct device with the radian adjusts the wind direction of the turbofan device, so that the wind at the air outlet of the air duct device is stronger and more accurate, the air outlet is just opposite to a model under the spray head and does not blow the spray head, the temperature of the spray head is more stable, and the temperature fluctuation range is small. The model is cooled more rapidly and the printing effect is better due to the design of accurate blowing of the model.

As a preferred technical scheme of the utility model, bolt holes are arranged at two upper end parts of the air duct device, and assembling holes matched with the bolt holes are arranged at the lower end of the turbofan device; bolt holes at two ends of the air duct device and assembly holes of the turbofan device are fixed on the fan seat through bolts.

As a preferred technical scheme of the utility model, the fixing base wholly is the Z style of calligraphy, fixing base upper end and fan seat junction are provided with U type recess.

As a preferred technical scheme of the utility model, the whole square structure body that is of fan seat, the position setting of fan seat upper end and fixing base U type recess adaptation is the arc.

As an optimized technical scheme of the utility model, be provided with ventilative through-hole on the fan seat. Preferably, the through hole is a long strip-shaped through hole.

As a preferred technical scheme of the utility model, fixing base and fan seat pass through bolt fixed connection, constitute a mounting hole after the arc of fixing base U type recess and fan seat is connected, mounting hole and shower nozzle subassembly looks adaptation. This setting makes the installation of 3D printer more convenient.

As a preferred technical scheme of the utility model, the spray head assembly further comprises a heating block, a throat and a spiral radiating fin, wherein the throat is arranged at the upper end of the spray head body, the upper end of the spray head body and the lower end of the throat are wrapped by the heating block, and the spray head body and the throat are fixed with the heating block through bolts; the spiral radiating fins are arranged on the outer wall of the upper end of the throat pipe and are matched with the outer wall of the throat pipe, and the upper ends of the spiral radiating fins are arranged in a mounting hole formed by the fixed seat and the fan seat.

As a preferred technical scheme of the utility model, heat abstractor carries out radiating radiator fan for being used for to the shower nozzle subassembly, heat abstractor passes through bolt and fan seat fixed connection.

As a preferred technical scheme of the utility model, air duct device is located shower nozzle body one side for dispel the heat to shower nozzle body consumptive material. Set up the wind channel device and make 3D printing apparatus's effective printing scope bigger in shower nozzle body one side.

Has the advantages that:

1. the utility model discloses compact structure, simple to operate, fixing base and fan seat pass through bolt fixed connection, constitute a mounting hole after the arc of fixing base U type recess and fan seat is connected, mounting hole and shower nozzle subassembly looks adaptation.

2. The radiating effect is good, and printing efficiency and quality are high. The utility model connects the air outlet of the turbofan device with the air inlet of the air channel device, and the air channel device is arranged at the lower position of the side of the spray head body, so that the air at the outlet of the air channel device is accurately aligned with the model layer; when the turbofan device was opened the operation, the turbofan device sent into wind channel device, flowed from the wind channel device air outlet again, and the wind of air outlet just in time blows on the model layer that the shower nozzle body has printed, makes just in time print the model layer and dispels the heat rapidly, and the flow state consumptive material solidifies rapidly, and printing speed and printing model surface quality improve greatly.

3. The air duct device is arranged to be in a horn shape with radian, the air direction of the turbofan device is adjusted by the air duct device with radian, so that the air at the air outlet of the air duct device is more powerful and accurate, the air outlet is just opposite to a model under the spray head and does not blow the spray head, the temperature of the spray head is more stable, and the temperature fluctuation range is small. The model is cooled more rapidly and the printing effect is better due to the design of accurate blowing of the model.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a 3D printing nozzle air duct device of the present invention;

FIG. 2 is a schematic structural view of an air duct device;

FIG. 3 is a schematic view of a fixing base;

FIG. 4 is a schematic structural view of a fan base;

FIG. 5 is a schematic structural view of the present invention without a showerhead assembly installed;

FIG. 6 is a schematic structural view of a showerhead assembly;

description of the reference numerals: 1. an air duct device; 11. bolt holes; 2. a turbofan device; 3. a fixed seat; 31. a U-shaped groove; 4. a fan base; 41. a through hole; 5. a nozzle body; 6. a heating block; 7. a spiral heat sink; 8. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment in the utility model, all utilize the equivalent structure or the equivalent flow transform of doing of the content of the description and the attached drawing, or direct or indirect application in other relevant technical field, all the same reason is included in the patent protection scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed", "connected", and the like are to be construed broadly, and for example, "connected" may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example 1:

as shown in fig. 1, the 3D printing nozzle air duct device includes a nozzle assembly, a heat dissipation device, an air duct device 1, a turbofan device 2, a fixing seat 3, and a fan seat 4, wherein the nozzle assembly includes a nozzle body 5; the air duct device 1 is arranged on one side of the spray head assembly, the air duct device 1 is wide at the top and narrow at the bottom, and an air outlet of the air duct device 1 is arranged below the spray head body 5; and the air inlet of the air duct device 1 is connected with the air outlet of the turbofan device 2.

As shown in fig. 2, the air duct device 1 is located on one side of the nozzle body 5, and is used for dissipating heat of consumables of the nozzle body. Set up wind channel device 1 and make 3D printing apparatus's effective printing scope bigger on one side of shower nozzle body.

As shown in fig. 3, the fixing base 3 is in a zigzag shape, and a U-shaped groove 31 is formed at a connection portion of the upper end of the fixing base 3 and the fan base 4.

As shown in fig. 4, the whole fan base 4 is a square structure, and the position of the upper end of the fan base 4, which is matched with the U-shaped groove 31 of the fixing base, is set to be arc-shaped. The fan base 4 is provided with a ventilating through hole 41.

As shown in fig. 5, the fixing seat 3 is fixedly connected with the fan seat 4 through bolts, the U-shaped groove 31 of the fixing seat is connected with the fan seat 4 in an arc shape to form a mounting hole 8, and the mounting hole 8 is matched with the nozzle assembly.

As shown in fig. 6, the nozzle assembly includes a nozzle body 5, a heating block 6, a throat and spiral fins 7, the throat is disposed at the upper end of the nozzle body 5, the upper end of the nozzle body 5 and the lower end of the throat are wrapped by the heating block 6, and the nozzle body 5 and the throat are fixed to the heating block 6 through bolts. The spiral radiating fins 7 are arranged on the outer wall of the upper end of the throat pipe and are matched with the outer wall of the throat pipe, and the upper ends of the spiral radiating fins 7 are arranged in a mounting hole formed by the fixed seat 3 and the fan seat 4.

The heat dissipation device is used for dissipating heat of the spray head assembly and is fixedly connected with the fan seat 4 through bolts.

Example 2:

As shown in fig. 2, the air duct device 1 is disposed in a horn shape. The air duct device 1 is located on one side of the spray head body 5 and used for dissipating heat of consumable materials of the spray head body. Set up wind channel device 1 and make 3D printing apparatus's effective printing scope bigger on one side of shower nozzle body.

Bolt holes 11 are formed in two end portions above the air duct device 1, and assembling holes matched with the bolt holes 11 are formed in the lower end of the turbofan device 2; the bolt holes 11 at the two ends of the air duct device 1 and the assembly holes of the turbofan device 2 are fixed on the fan base 3 through bolts.

As shown in fig. 3, the fixing base 3 is overall in a Z shape, and a U-shaped groove 31 is formed at a connection portion of the upper end of the fixing base 3 and the fan base 4.

As shown in fig. 4, the whole fan base 4 is a square structure, and the position of the upper end of the fan base 4, which is matched with the U-shaped groove 31 of the fixing base, is set to be arc-shaped. The fan seat 4 is provided with a strip-shaped through hole 41 for ventilation.

As shown in fig. 6, the showerhead assembly includes a showerhead body 5, a heating block 6, a throat and a spiral heat sink 7, the throat is provided at the upper end of the showerhead body 5, the upper end of the showerhead body 5 and the lower end of the throat are wrapped by the heating block 6, and the showerhead body 5 and the throat are fixed to the heating block 6 by bolts. The spiral radiating fins 7 are arranged on the outer wall of the upper end of the throat pipe and are matched with the outer wall of the throat pipe, and the upper ends of the spiral radiating fins 7 are arranged in a mounting hole formed by the fixed seat 3 and the fan seat 4.

The heat dissipation device is a heat dissipation fan used for dissipating heat of the spray head assembly, and the heat dissipation device is fixedly connected with the fan seat 4 through bolts.

The working principle is as follows: first, the heat dissipation fan is fixedly connected to the fan base 4 by bolts, and the bolt holes 11 at both ends of the air duct device 1 and the assembly holes of the turbofan device 2 are fixed to the fan base 3 by bolts. And then the spiral radiating fins 7 of the nozzle assembly are arranged in the U-shaped groove 31 of the fixed seat 3, the arc at the upper end of the fan seat 4 is arranged above the opening of the U-shaped groove 31, and the fixed seat 3 and the fan seat 4 are fixedly connected through bolts, so that the spiral radiating fins 7 are clamped by the arc of the U-shaped groove 31 and the fan seat 4. By connecting the air outlet of the turbofan device 2 with the air inlet of the air duct device 1, in the printing operation process, the turbofan device 2 sends air into the air duct device 1, and then the air flows out of the air outlet of the air duct device 1 and just blows the air on the printed model layer of the nozzle body 5, so that the just-printed model layer can quickly dissipate heat, and the flow state consumables can quickly solidify, and further, the situation that the consumables are downward pushed and collapsed due to untimely heat dissipation of the model layer in the printing process is avoided; meanwhile, the installed heat dissipation fan dissipates heat of the throat pipe at the upper part of the nozzle body 5, and accordingly the situation that consumables are softened in the throat pipe too early due to too high temperature in the throat pipe is avoided.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the present invention.

Claims

1. A3D printing nozzle air duct device comprises a nozzle assembly, a heat dissipation device, an air duct device (1), a turbofan device (2), a fixed seat (3) and a fan seat (4), wherein the nozzle assembly comprises a nozzle body (5); the air channel device is characterized in that the air channel device (1) is arranged on one side of the spray head assembly, the air channel device (1) is wide at the top and narrow at the bottom, and an air outlet of the air channel device (1) is arranged below the spray head body (5); and the air inlet of the air duct device (1) is connected with the air outlet of the turbofan device (2).

2. The air duct device for the 3D printing nozzle according to claim 1, wherein the air duct device (1) is arranged in a horn shape.

3. The 3D printing nozzle air duct device according to claim 1 or 2, wherein bolt holes (11) are formed in two upper end portions of the air duct device (1), and assembly holes matched with the bolt holes (11) are formed in the lower end of the turbofan device (2); bolt holes (11) at two ends of the air duct device (1) and assembly holes of the turbofan device (2) are fixed on the fan seat (4) through bolts.

4. The 3D printing nozzle air duct device according to claim 1, wherein the fixing base (3) is Z-shaped as a whole, and a U-shaped groove (31) is formed at a joint of the upper end of the fixing base (3) and the fan base (4).

5. The 3D printing nozzle air duct device according to claim 4, wherein the fan base (4) is a square structure as a whole, and the position where the upper end of the fan base (4) is matched with the U-shaped groove (31) of the fixing base is arranged to be arc-shaped.

6. The 3D printing nozzle air duct device according to claim 5, wherein the fixing seat (3) and the fan seat (4) are fixedly connected through a bolt, a mounting hole (8) is formed after the U-shaped groove (31) of the fixing seat and the fan seat (4) are connected in an arc shape, and the mounting hole (8) is matched with the nozzle assembly.

7. The air duct device for the 3D printing nozzle according to claim 1, wherein the heat dissipation device is a heat dissipation fan for dissipating heat of the nozzle assembly, and the heat dissipation device is fixedly connected with the fan base (4) through a bolt.